E-CAD Macros

Frequently asked questions

What do we adjust with zero/span potentiometers?

Errors and signal distortion, which may arise from sensor errors and/or varying measurements by the measuring transducer, are easy to compensate using the potentiometers on the front of the isolation amplifier.

For example, the input signals may contain a slightly falsified measured value. Using the potentiometers to compensate the ZERO and SPAN measured distance, this kind of divergence in the percent range can be corrected, enabling the downstream devices, e.g. a PLC to obtain a correct measured value.